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IOError when attempting negative seek in file (Python 3.0 tutorial) #47774
Description
| BPO | 3524 |
|---|---|
| Nosy | @birkenfeld |
Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.
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GitHub fields:
assignee = 'https://github.com/birkenfeld'
closed_at = <Date 2008-08-08.07:04:48.068>
created_at = <Date 2008-08-08.00:42:34.766>
labels = ['type-bug', 'docs']
title = 'IOError when attempting negative seek in file (Python 3.0 tutorial)'
updated_at = <Date 2008-08-08.07:04:48.067>
user = 'https://bugs.python.org/jsizelove'bugs.python.org fields:
activity = <Date 2008-08-08.07:04:48.067>
actor = 'georg.brandl'
assignee = 'georg.brandl'
closed = True
closed_date = <Date 2008-08-08.07:04:48.068>
closer = 'georg.brandl'
components = ['Documentation']
creation = <Date 2008-08-08.00:42:34.766>
creator = 'jsizelove'
dependencies = []
files = []
hgrepos = []
issue_num = 3524
keywords = []
message_count = 2.0
messages = ['70874', '70887']
nosy_count = 2.0
nosy_names = ['georg.brandl', 'jsizelove']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = None
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue3524'
versions = ['Python 3.0']
Activity
jsizelove commentedon Aug 8, 2008
The Input and Output section of the Python 3.0 tutorial
(http://docs.python.org/dev/3.0/tutorial/inputoutput.html) shows an
example of seeking in a negative direction from the end of a file. I
get an IOError when attempting to run the example in Python 3.0b2 on Mac
OS X 10.4 (PPC). I don't know whether the tutorial or the code should
be changed.
birkenfeld commentedon Aug 8, 2008
Since the file is a text file, such seeking is not possible.
I've now updated the whole section about files; in particular there was
also an outdated description of text vs. binary mode.
Committed r65595.